Issue 24, 2003
From the journal:

Chemical Communications

Control of molecular architecture by the degree of deprotonation: self-assembled di- and tetranuclear copper(ii) complexes of N,N′-bis(2-pyridylmethyl)pyrazine-2,3-dicarboxamide†

Julia Hausmann,a   Geoffrey B. Jamesonb  and  Sally Brooker*a  

* Corresponding authors

a Department of Chemistry, University of Otago, PO Box 56, Dunedin, New Zealand
E-mail: sbrooker@alkali.otago.ac.nz
Fax: +64 3 479 7906
Tel: +64 3 479 7919

b Institute of Fundamental Sciences, Chemistry, Massey University, PO Box 11222, Palmerston North, New Zealand

Abstract

In the absence of added base, a deep navy-blue dimeric copper complex [CuII(H2L)(MeCN)]2(BF4)4 (1) of the non-deprotonated bis-terdentate diamide ligand H2L self-assembles whereas in the presence of base a grass-green [2 × 2] grid complex [CuII(HL)]4(BF4)4 (2) of the monodeprotonated ligand HL−, a rare example of a discrete grid of pyrazine-bridged metal ions, is formed.

Graphical abstract: Control of molecular architecture by the degree of deprotonation: self-assembled di- and tetranuclear copper(ii) complexes of N,N′-bis(2-pyridylmethyl)pyrazine-2,3-dicarboxamide

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Article information

DOI
https://doi.org/10.1039/B308263F
Article type
Communication
Submitted
17 Jul 2003
Accepted
16 Oct 2003
First published
05 Nov 2003

Chem. Commun., 2003, 2992-2993

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Control of molecular architecture by the degree of deprotonation: self-assembled di- and tetranuclear copper(II) complexes of N,N′-bis(2-pyridylmethyl)pyrazine-2,3-dicarboxamide

J. Hausmann, G. B. Jameson and S. Brooker, Chem. Commun., 2003, 2992 DOI: 10.1039/B308263F

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